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4 years ago

what is an equation in slope intercept form for the line that passes through the points (1,-3) and (3,1)

1 answer:

6 0

Y=2x-5.
I found the slope using the formula m=y2-y1/x2-x1.
m=-3-1/1-3=-4/-2=2.

I used (3,1) (only use one point, your choice) to find out b. 3=x, 1=y.
y=mx+b is the formula for slope intercept equations, so I plugged in the x and y.
1=2(3)+b; 1=6+b, subtract 6 on both sides and get -5=b.
I used the information to get y=2x-5.
Hope this isn’t too confusing! :)

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Write 11/12 demoniator 84 to a equivalent fraction

Pepsi [2]

Answer:

77/84

Step-by-step explanation:

84 ÷ 12 = 7

Multiply the numerator and denominator by 7

$\frac{11}{12}=\frac{11*7}{12*7}=\frac{77}{84}$

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3 years ago

A large pizza at Palanzio's Pizza starts at $6.80 with a $0.90 charge per extra topping. A large pizza a Guido's Pizza starts at

vazorg [7]

Answer:

Palanzio's Pizza: Y= .90x+6.80

Giudo's Pizza: Y= .65x+7.30

.90x + 6.80= .65x + 7.30

.25x + 6.80= 7.30

.25x = .50

x = 2

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3 years ago

Deshaun started baking at 9:25 AM and finished at 10:41 AM How long did it take him? Give your answer in hours and minutes

Zepler [3.9K]

Answer:

1 hour and 16 minutes

Step-by-step explanation:

you just have to count up from 9:25 to 10:41 and translate the amount of minutes you counted into hours

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3 years ago

Help plz:))) I’ll mark you BRAINLIEST I am really struggling with this question plz help and will mark you BRAINLIEST

SIZIF [17.4K]

Answer:

Grace

Step-by-step explanation:

We have to look at the bottom 2 angles, the bigger the angle the wider it is. For Hector, his R angle is 50 degrees and it's 14 wide, but his R angle is 60 degrees, bigger than 50 degrees, and yet the it's only 12.5 wide which is smaller than 14. Grace got it right, 60 degrees is bigger than 50 so it's only natural for it to be wider too.

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3 years ago

You're sitting on the ledge of a wall that is 300 feet away from a building. You have to

weeeeeb [17]

The total height of the building in question is;

600 ft

<h3>Angle of Elevation</h3>

The ledge of a wall is simply a projection from a building.

Now, we are told that this ledge is 300 ft from the building.

Angle of elevation to the building top = 60°
Angle of depression to the building bottom = 15°

Now, from the attached image, the distance from the ledge on the building wall to the top of the building is x.

Thus, by trigonometric ratio;

x/300 = tan 60

x = 300 × 1.732

x ≈ 520 ft

Similarly, via trigonometric ratio;

y/300 = tan 15

y = 300 × 0.2679

y ≈ 80

Thus;

Height of building = 520 + 80

Height of building = 600 ft

Read more about angle of elevation at;brainly.com/question/2881595

7 0

2 years ago